#!/bin/sh

# Copyright (C) 2002 by Martin Pool <mbp@samba.org>

# This program is distributable under the terms of the GNU GPL (see
# COPYING).

# Test rsync handling of devices.  This can only run if you're root.

. "$suitedir/rsync.fns"

# Build some hardlinks

case $0 in
*fake*)
    $RSYNC -VV | grep '"xattrs": true' >/dev/null || test_skipped "Rsync needs xattrs for fake device tests"
    RSYNC="$RSYNC --fake-super"
    TLS_ARGS="$TLS_ARGS --fake-super"
    case "$HOST_OS" in
    darwin*)
	mknod() {
	    fn="$1"
	    case "$2" in
	    p) mode=10644 ;;
	    c) mode=20644 ;;
	    b) mode=60644 ;;
	    esac
	    maj="${3:-0}"
	    min="${4:-0}"
	    touch "$fn"
	    xattr -s 'rsync.%stat' "$mode $maj,$min 0:0" "$fn"
	}
	;;
    solaris*)
	mknod() {
	    fn="$1"
	    case "$2" in
	    p) mode=10644 ;;
	    c) mode=20644 ;;
	    b) mode=60644 ;;
	    esac
	    maj="${3:-0}"
	    min="${4:-0}"
	    touch "$fn"
	    runat "$fn" "$SHELL_PATH" <<EOF
echo "$mode $maj,$min 0:0" > rsync.%stat
EOF
	}
	;;
    freebsd*)
	mknod() {
	    fn="$1"
	    case "$2" in
	    p) mode=10644 ;;
	    c) mode=20644 ;;
	    b) mode=60644 ;;
	    esac
	    maj="${3:-0}"
	    min="${4:-0}"
	    touch "$fn"
	    setextattr -h user "rsync.%stat" "$mode $maj,$min 0:0" "$fn"
	}
	;;
    *)
	mknod() {
	    fn="$1"
	    case "$2" in
	    p) mode=10644 ;;
	    c) mode=20644 ;;
	    b) mode=60644 ;;
	    esac
	    maj="${3:-0}"
	    min="${4:-0}"
	    touch "$fn"
	    setfattr -n 'user.rsync.%stat' -v "$mode $maj,$min 0:0" "$fn"
	}
	;;
    esac
    ;;
*)
    my_uid=`get_testuid`
    root_uid=`get_rootuid`
    if test x"$my_uid" = x; then
	: # If "id" failed, try to continue...
    elif test x"$my_uid" != x"$root_uid"; then
	if [ -e "$FAKEROOT_PATH" ]; then
	    echo "Let's try re-running the script under fakeroot..."
	    exec "$FAKEROOT_PATH" "$SHELL_PATH" $RUNSHFLAGS "$0"
	fi
	test_skipped "Rsync needs root/fakeroot for device tests"
    fi
    ;;
esac

# TODO: Need to test whether hardlinks are possible on this OS/filesystem

$RSYNC -VV | grep '"hardlink_specials": true' >/dev/null && CAN_HLINK_SPECIAL=yes || CAN_HLINK_SPECIAL=no

mkdir "$fromdir"
mkdir "$todir"
mknod "$fromdir/char" c 41 67  || test_skipped "Can't create char device node"
mknod "$fromdir/char2" c 42 68  || test_skipped "Can't create char device node"
mknod "$fromdir/char3" c 42 69  || test_skipped "Can't create char device node"
mknod "$fromdir/block" b 42 69 || test_skipped "Can't create block device node"
mknod "$fromdir/block2" b 42 73 || test_skipped "Can't create block device node"
mknod "$fromdir/block3" b 105 73 || test_skipped "Can't create block device node"
if test "$CAN_HLINK_SPECIAL" = yes; then
    ln "$fromdir/block3" "$fromdir/block3.5"
else
    echo "Skipping hard-linked device test..."
fi
mkfifo "$fromdir/fifo" || mknod "$fromdir/fifo" p || test_skipped "Can't run mkfifo"
# Work around time rounding/truncating issue by touching both files.
touch -r "$fromdir/block" "$fromdir/block" "$fromdir/block2"

checkdiff "$RSYNC -ai '$fromdir/block' '$todir/block2'" <<EOT
cD$all_plus block
EOT

checkdiff "$RSYNC -ai '$fromdir/block2' '$todir/block'" <<EOT
cD$all_plus block2
EOT

sleep 1

checkdiff "$RSYNC -Di '$fromdir/block3' '$todir/block'" <<EOT
cDc.T.$dots block3
EOT

cat >"$chkfile" <<EOT
.d..t.$dots ./
cDc.t.$dots block
cDc...$dots block2
cD$all_plus block3
hD$all_plus block3.5 => block3
cD$all_plus char
cD$all_plus char2
cD$all_plus char3
cS$all_plus fifo
EOT
if test "$CAN_HLINK_SPECIAL" = no; then
    grep -v block3.5 <"$chkfile" >"$chkfile.new"
    mv "$chkfile.new" "$chkfile"
fi

checkdiff2 "$RSYNC -aiHvv '$fromdir/' '$todir/'" v_filt

echo "check how the directory listings compare with diff:"
echo ""
( cd "$fromdir" && rsync_ls_lR . ) > "$tmpdir/ls-from"
( cd "$todir" && rsync_ls_lR . ) > "$tmpdir/ls-to"
diff $diffopt "$tmpdir/ls-from" "$tmpdir/ls-to"

if test "$CAN_HLINK_SPECIAL" = yes; then
    set -x
    checkdiff "$RSYNC -aii --link-dest='$todir' '$fromdir/' '$chkdir/'" <<EOT
created directory $chkdir
cd$allspace ./
hD$allspace block
hD$allspace block2
hD$allspace block3
hD$allspace block3.5
hD$allspace char
hD$allspace char2
hD$allspace char3
hS$allspace fifo
EOT
fi

# The script would have aborted on error, so getting here means we've won.
exit 0
